MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Powertrain Control-Emissions Diagnosis

DM: Manifold Pressure Sensors DM: Introduction

Powertrain Control-Emissions Diagnosis

Ford gasoline diagnostic supplementReference 5,042 / 6,619HTML edition
← Chapter contentsProcedure contents

Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.

• Lightly tap on the sensor in question and wiggle the harness connector to simulate road shock.

Does a sudden change in voltage occur while monitoring the PID?

Yes

No

REPAIR as necessary.

Clear the PCM DTCs. REPEAT the self-test.

Unable to duplicate or identify the concern at this time.

GO to Pinpoint Test Z .

DM9 MAP VOLTAGE

• Ignition ON, engine OFF.

• Access the PCM and monitor the MAP_V (VOLT) PID.

• Record the PID value.

• Ignition ON, engine running.

• Record the PID value.

Does the PID value change?

Yes

No

For Escape 2.5L, Fiesta 1.6L TIVCT, Fusion

2.5L, KA, and Transit Connect 2.5L, Unable to duplicate or identify the concern at this time.

GO to Pinpoint Test Z .

For all others, GO to DM10 .

INSTALL a new sensor in question. REFER to the Workshop Manual Section 303-14, Electronic Engine Controls.

Clear the PCM DTCs. REPEAT the self-test.

DM10 CHECK FOR KOEO BARO, MAP, TCBP VALUE CORRELATIONS

Note: All PIDS may not be available on all vehicles.

• Ignition ON, engine OFF.

• Access the PCM and monitor the BARO (PRESS), MAP (PRESS) and TCBP (PRESS) PIDs.

Is the suspect sensor PID reading within 10.35 kPa (1.5 psi) of the other sensors?

Yes

No

GO to DM11 .

For the BARO sensor, GO to Pinpoint Test DO .

For all others, CHECK the sensor in question for contamination or obstructions. REPAIR as necessary.

If no concerns are present, INSTALL a new sensor in question.

REFER to the Workshop Manual Section 303- 14, Electronic Engine Controls.

Clear the PCM DTCs. REPEAT the self-test.

Source reference 5042

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.